But YouTube is usable on WinPho using IE though, isn't it? Sure it's not a first class experience, but talking as someone with a fair bit of WinPho experience..

But YouTube is usable on WinPho using IE though, isn't it? Sure it's not a first class experience, but talking as someone with a fair bit of WinPho experience... What on WinPho is a first class experience? (Admittedly I've never actually tried YouTube in IE on WinPho, but the 3rd party MetroTube app is supposed to be good.)